Structural and Magnetic Properties of Mn-Based Diluted Magnetic Semiconductors and Alloys
Author
Source
Issue
Vol. 2009, Issue 2009 (31 Dec. 2009), pp.1-4, 4 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2009-09-01
Country of Publication
Egypt
No. of Pages
4
Main Subjects
Abstract EN
Direct supercell approach calculations of the magnetic exchange interactions in Mn-doped ScN was carried out in the local spin density approximation by using the muffin-tin-orbital Green's function method.
We found that magnetic interactions are long range interactions and affected by the randomness, band gap corrections, and carrier concentrations.
Using total energy minimization approach we found that the global energy minimum of MnN is obtained for zinc-blende structure.
If the compound is compressed by 6%, the energy minimum corresponds to the rock-salt structure in disagreement with the experimentally observed tetragonal distorted rock-salt structure, known as θ-phase.
An isostructural phase transition for MnxSc1-xN alloys from MnN θ-phase to h-ScN phase was found to occur at a hydrostatic pressure of 18 GPa.
We predict above room temperature Tc for Mn concentrations of about 10% in ScN : Mn system.
American Psychological Association (APA)
Alsaad, A.. 2009. Structural and Magnetic Properties of Mn-Based Diluted Magnetic Semiconductors and Alloys. Research Letters in Physics،Vol. 2009, no. 2009, pp.1-4.
https://search.emarefa.net/detail/BIM-469542
Modern Language Association (MLA)
Alsaad, A.. Structural and Magnetic Properties of Mn-Based Diluted Magnetic Semiconductors and Alloys. Research Letters in Physics No. 2009 (2009), pp.1-4.
https://search.emarefa.net/detail/BIM-469542
American Medical Association (AMA)
Alsaad, A.. Structural and Magnetic Properties of Mn-Based Diluted Magnetic Semiconductors and Alloys. Research Letters in Physics. 2009. Vol. 2009, no. 2009, pp.1-4.
https://search.emarefa.net/detail/BIM-469542
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-469542